2.2*x^2-4x+4=0

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Solution for 2.2*x^2-4x+4=0 equation:


Simplifying
2.2x2 + -4x + 4 = 0

Reorder the terms:
4 + -4x + 2.2x2 = 0

Solving
4 + -4x + 2.2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2.2 the coefficient of the squared term: 

Divide each side by '2.2'.
1.818181818 + -1.818181818x + x2 = 0

Move the constant term to the right:

Add '-1.818181818' to each side of the equation.
1.818181818 + -1.818181818x + -1.818181818 + x2 = 0 + -1.818181818

Reorder the terms:
1.818181818 + -1.818181818 + -1.818181818x + x2 = 0 + -1.818181818

Combine like terms: 1.818181818 + -1.818181818 = 0.000000000
0.000000000 + -1.818181818x + x2 = 0 + -1.818181818
-1.818181818x + x2 = 0 + -1.818181818

Combine like terms: 0 + -1.818181818 = -1.818181818
-1.818181818x + x2 = -1.818181818

The x term is -1.818181818x.  Take half its coefficient (-0.909090909).
Square it (0.8264462808) and add it to both sides.

Add '0.8264462808' to each side of the equation.
-1.818181818x + 0.8264462808 + x2 = -1.818181818 + 0.8264462808

Reorder the terms:
0.8264462808 + -1.818181818x + x2 = -1.818181818 + 0.8264462808

Combine like terms: -1.818181818 + 0.8264462808 = -0.9917355372
0.8264462808 + -1.818181818x + x2 = -0.9917355372

Factor a perfect square on the left side:
(x + -0.909090909)(x + -0.909090909) = -0.9917355372

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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